Corn diseases in the United States and their control
Ullstrup, A. J. 1907-
Corn diseases in the United States and their control [by A. J. Ullstrup. - Rev. - Washington] Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Superintendent of Documents, U.S. Govt. Print. Off., 1966] - iv, 44 p. illus. (part col.) 24 cm. - United States. Dept. of Agriculture. Agriculture handbook ; no. 199 . - Agriculture handbook (United States. Department of Agriculture) ; no. 199. .
agr66000196
Corn--Diseases and pests--United States.
SB608.M2 / U39 1966
Ag84Ah no.199 1966
Corn diseases in the United States and their control [by A. J. Ullstrup. - Rev. - Washington] Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Superintendent of Documents, U.S. Govt. Print. Off., 1966] - iv, 44 p. illus. (part col.) 24 cm. - United States. Dept. of Agriculture. Agriculture handbook ; no. 199 . - Agriculture handbook (United States. Department of Agriculture) ; no. 199. .
agr66000196
Corn--Diseases and pests--United States.
SB608.M2 / U39 1966
Ag84Ah no.199 1966